Si APD-Based High Speed Infrared Radiation Thermometry for Analysing the Temperature Instability of a Combustion Chamber
Louis Karapateas, Yufeng Lai, Xiangfei Meng, Yang Zhang, Jon R. Willmott, Matthew J. Hobbs · 2024
Read Si APD-Based High Speed Infrared Radiation Thermometry for Analysing the Temperature Instability of a Combustion Chamber by Louis Karapateas, Yufeng Lai, Xiangfei Meng, Yang Zhang, Jon R. Willmott, Matthew J. Hobbs (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11644903.txt.
Description
Louis Karapateas and co-authors built an infrared thermometer fast enough to watch a fuel droplet ignite, in a 2024 study. Combustion chambers swing in temperature on microsecond scales that contact probes cannot follow. Their instrument couples a silicon avalanche photodiode to an optical fiber and a custom digital board, reaching a response time of one microsecond, faster than commercial rivals.
The thermometer tracked the full ignition and reignition cycle of a Jet A kerosene droplet inside a chamber. Its noise at around a thousand degrees was half a degree at microsecond sampling, and its uncertainty sat within commercial bounds. The digital design was notably compact for its speed, streaming data at over half a gigabit per second. The authors present the device as a foundation for studying sustainable aviation fuels, whose burn behavior must be characterized before they can replace fossil kerosene.
Catalog record
| CREATOR | Louis Karapateas, Yufeng Lai, Xiangfei Meng, Yang Zhang, Jon R. Willmott, Matthew J. Hobbs |
|---|---|
| YEAR | 2024 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 36 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |